ABCD
1Main
2Brand NameNucynta, fka R331333
3Generic NameTapentadol
4IndicationChronic Pain
5AdministrationOral
6MechanismMu-receptor agonist and norepinephine reuptake inhibitor.
7EconomicsUSA, Canada, Japan licensed from Gruenethal
8Timeline10/31/11: Files NDA for Nucynta ER for DPNP.
98/26/2011: FDA approves Nucynta ER.
10Clinical Trials
117 Trials at APS
12Phase III - Presented at APS meeting 2008
13n=659 vs oxycodone vs placebo, similar efficacy to oxycodone. Side effects - oxy 26% constipation vs 4%-7% tapentadol (50-75mg).
14Side EffectsConstipation - oxy 26%, tapentadol 4-7% (50-75mg)
15Nausea - oxy 41%, tapentadol 18-21%
16Vomiting - oxy 31%, tapentadol 7-14%
17n=603, placebo controlled, randomized tapentadol (50,75,100mg), oxycodone 15mg or placebo
18Primary endpoint was sum of pain intensity differences 48hrs post treatment, secondary at 12, 24, 72 hrs
19All three tapentadol arms had statistically significant pain improvement vs placebo and lower GI side effects that oxycodone
20
21How much does oxycodone / oxycontin sell?
22Find more info on Gruenethal